Hibernian boss Lennon signed the playmaker while manager at Celtic Park.
The attacking midfielder is not in the plans of Brendan Rodgers.
The Bhoys midfielder hasn't featured since the end of last season.
As Celtic prepare to face Barcelona in the Champions League, we look back at one of their most famous European nights.
Kris Commons is not part of the Celtic squad for the 2016-17 Champions League group stage.
Commons, defender Efe Ambrose and teenager Kristoffer Ajer have been left out of Celtic's Champions League squad by Brendan Rodgers.
Kris Commons rates Celtic teammate Craig Gordon highly and has compared him to Fraser Forster.
The duo combined to secure a crucial draw with Astana in the Champions League.
The 32-year-old has been linked with leaving the Scottish Premiership side.
Could the 32-year-old forward leave Celtic this summer?